UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QJd4jkkfxQwmOgI6ndFvudWbdKGs7BzYmEy8gkXPZUk=' 
WHERE 
  key_id = '3de0e44946659d1856ca05a3efd604015358403b79923a204679370038f8ea6b' 
  AND (
    token = 'QJd4jkkfxQwmOgI6ndFvudWbdKGs7BzYmEy8gkXPZUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )